Quote:
Originally Posted by stringscope
Hi Ed,
Awsome A couple of Q's:
What is the secondary size, it looks about 10".
Is it a Cassegrain secondary (convex) or is it a flat?
I assume the round bit of plate is a baffle, is it tapered to allow for the light cone from the primary or have you just made the top end a little oversize?
BTW what is the F ratio of the primary?
Cheers,
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Hi Ian,
The secondary is a n 7.5" convex mirror. The "can" around the mirror is the baffle and the primary is a f5.
The pic might explain it better.